用89c51单片机与USBD12结合的电路图和源程序..

串口通信ASM程序，自适应波特率(51系列)-serial communication procedures, adaptive baud rate (51 series)

51系列单片机实验课程：计数 （通过串口，计数输入的字符数）-51 Series single-chip experimental curriculum: count (through the serial port, count the number of characters input)

avr 单片机驱动19264显示屏，带中文 float驱动-avr microcontroller 19264 display driver, with the Chinese float driver

keil C51 Bits1 事例-examples Bits1

挪威公司的NRFXXX系列产品,本代码里详述了NRFXXX是怎么样与单片机通讯的,代码易懂!--NRFXXX series products. It explains in details how NRFXXX communicates with SCM. The code is easy to understand.

这是一个模拟分站的C51源程序，可以通过该程序了解分站的工作过程-This is a sub-station of the C51 analog source, you can learn through the program stops working process

CPU卡读写，符合7816标准。经测试完全可以使用。-CPU card reader, in line with the 7816 standards. Been tested and can be used.

单片机应用PS/2键盘的实例,本程序源码只供学习参考，不得应用于商业用途，如有需要请联系作者。 [注:AT89x51使用12M或11.0592M晶振,实测使用11.0592M] [Keil uV2 7.01编译运行通过 程序中没有做键盘数据的奇偶校验]-SCM application PS/2 keyboard example, the learning process only reference source, not used for commercial purposes, if necessary please contact the author. [Note : AT89x51 use 12M or 11.0592M crystal, the measured use 11.0592M] [Keil uV2 7.01 compiler running through the procedure done keyboard data parity]

4*4键盘程序，来自msp430系列单片机-4* 4 keyboard procedures, from MCU Controller Series

单片机C语言开发软件,很好用。-SCM C language development software, is useful.